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ISO

ISO 4657:2022

Assessment specification of coalbed methane resources

Standard Details

This document specifies the objectives, tasks, work processes, classification, report preparation and acceptance of coalbed methane (CBM) resource evaluation.

General Information

Status : Published
Standard Type: Main
Document No: ISO 4657:2022
Document Year: 2022
Pages: 10
Edition: 1
  • ICS:
  • 73.020 Mining and quarrying

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ISO 4657:2022
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